20178640 (number)

20178640 is an even 8-digits composite number following 20178639 and preceding 20178641. In scientific notation, it is written as 2.0178640 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors. There are 8071424 positive integers (up to 20178640) that are relatively prime to 20178640.

Interesting facts

Basic properties

Name

Name twenty million one hundred seventy-eight thousand six hundred forty

Notation

Scientific notation 2.0178640 × 10^7
Engineering notation 2.0178640 × 10^6

Prime Factorization of 20178640

Prime Factorization 2 × 2 × 2 × 2 × 5 × 252233

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2522330
Product of the distinct prime numbers

The prime factorization of 20178640 is 2 × 2 × 2 × 2 × 5 × 252233. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 3, 85, 68, 853, 307, 9958, 2835, 13023, 38263, 328861, 742715, 4239272, 910174, 16338139, 55149997, 776553825, 109109501, 2401943985, 7919987533

Basic calculations (n = 20178640)

Multiplication

n×y
n×2 40357280
n×3 60535920
n×4 80714560
n×5 100893200

Division

n÷y
n÷2 10089320
n÷3 6726213.3333333
n÷3 5044660
n÷5 4035728

Exponentiation

ny
n2 407177512249600
n3 8.2162884357803E+21
n4 1.6579352648177E+29
n5 3.3454878852062E+36

Nth Root

y√n
2√n 4492.0641135229
3√n 272.24753993476
4√n 67.022862618086
5√n 28.905359722001

Divisors of 20178640

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252233, 504466, 1008932, 1261165, 2017864, 2522330, 4035728, 5044660, 10089320, 20178640

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20178639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20178640 can be divided by 20 positive divisors. The sum of these divisors (counting 20178640) is 1, the average is 0.05.

Base conversion 20178640

Base System Value
2 Binary 1001100111110011011010000
3 Ternary 1101222011220001
4 Quaternary 1030332123100
5 Quinary 20131204030
6 Senary 2000255344
8 Octal 114763320
10 Decimal 20178640
12 Duodecimal 6911554
16 Hexadecimal 133e6d0
20 Vigesimal 6626c0
36 Base36 c0hxs

Cryptographic Hash Functions

md5 db0ed9e79e1e5162769ba417eff54277
sha1 c014ff202281f80a4ac66a87de1517796ee1494b
sha256 f35b11a2a2416ad278adc48c4991ec07055eaef50de7b893035ba4587c7e6d94
sha512 50f7bd6d2eb6346fc65b737c411bb13b6c2e2b0a2c9fa4b1070158a38ac6201c40df196a76ffad7019f55495d38ef7d729b8982e2ab0af39f4b3e813f3306b13
ripemd-160 356b509b9e46fbc9360c4e55bc0914bbd1229bd4

20178640 as geometric shapes

Circle

Radius = n
Diameter 40357280
Circumference 126786134.36687
Area 1.2791858811903E+15

Sphere

Radius = n
Volume 3.4416308519496E+22
Surface area 5.1167435247612E+15
Circumference 126786134.36687

Square

Length = n
Perimeter 80714560
Area 407177512249600
Diagonal 28536906.358244

Cube

Length = n
Surface area 2443065073497600
Volume 8.2162884357803E+21
Space diagonal 34950429.707642

Equilateral Triangle

Length = n
Perimeter 60535920
Area 1.7631303472895E+14
Altitude 17475214.853821

Triangular Pyramid

Length = n
Surface area 1.7631303472895E+14
Volume 9.6829887818747E+20
Height 9512302.1194147